Apparatus for use in positioning a unit on a tube-plate

Details Apparatus for use in positioning a unit on a tube-plate Apparatus for use in positioning a unit on a tube-plate

1978-06-13

1980-07-15

Werner, Frank E.

Material or article handling

Vertically swinging load support

With rectilinear translation

414590, 414631, 414750, 414909, 165 76, B25J 300

Patent

active

042125839

ABSTRACT:
Apparatus for use in positioning a unit successively relative to a plurality of tubes of a regular array of tubes supported by a tube-plate within an enclosure provided with an access opening, e.g. relative to the boiler tubes of a steam generator of a nuclear power station, as described in U.S. Pat. No. 4,004,698 is adapted for association with transporting apparatus for placing the positioning apparatus in the enclosure, the transporting apparatus comprising a rectilinear guide rod for passing through the access opening and for guiding a carriage provided with a coupling assembly for releasably coupling the positioning apparatus to the carriage during movement thereof between the outside and the inside of the enclosure and which are disconnectable to permit movement of the positioning apparatus across the tube-plate.

REFERENCES:
patent: 3409158 (1968-11-01), Lull
patent: 3913752 (1975-10-01), Ward et al.
patent: 3934731 (1976-01-01), Muller et al.
patent: 4004698 (1977-01-01), Gebeun
patent: 4074814 (1978-02-01), Cooper et al.
patent: 4148403 (1979-04-01), Riffe

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